Reports: Status of 49ers CB Tramaine Brock unclear after toe injury

San Francisco 49ers starting cornerback Tramaine Brock injured his right big toe in Sunday's win over the Dallas Cowboys, according to reports. Brock's status

San Francisco 49ers starting cornerback Tramaine Brock injured his right big toe in Sunday's win over the Dallas Cowboys, according to reports.

Brock's status for Sunday's game against the Chicago Bears is unclear. Brock suffered the injury in the first quarter but returned in the fourth .

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Veteran cornerback Chris Culliver left the game in the first quarter with a concussion, while Jimmie Ward, another cornerback, was also pulled, reportedly because of concussion-like symptoms.

Dontae Johnson and Perrish Cox played in relief of the injured players. Veteran Chris Cook was inactive but could see time against the Bears.

- Chris Johnson